Download and unpack this package. Copy all files from this package to /var/lib/Acronis/AMS/postgresql

Open /etc/Acronis/AMS.config in an editor and change<value name="AmsDmlDbProtocol" type="TString">"config:///var/lib/Acronis/AMS/dml.config"</value>to<value name="AmsDmlDbProtocol" type="TString">"config:///var/lib/Acronis/AMS/postgresql/dml_postgresql.config"</value>Save changes and exit editor.